<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title></title>
	<link rel="stylesheet" href="">
	<style>
		.bounce-transition {
		 display: inline-block; /* 否则 scale 动画不起作用 */
		}
		.bounce-enter {
		 animation: bounce-in .5s;
		}
		.bounce-leave {
		 animation: bounce-out .5s;
		}
		@keyframes bounce-in {
		 0% {
		 transform: scale(0);
		 }
		 50% {
		 transform: scale(1.5);
		 }
		 100% {
		 transform: scale(1);
		 }
		}
		@keyframes bounce-out {
		 0% {
		 transform: scale(1);
		 }
		 50% {
		 transform: scale(1.5);
		 }
		 100% {
		 transform: scale(0);
		 }
		}
	</style>
</head>
<body>
<!-- <script src="https://cdn.bootcss.com/vue/2.5.8/vue.js"></script> -->
<script src='http://cdn.jsdelivr.net/vue/1.0.26/vue.js'></script>
<div id="root">
	<span v-show="show" transition="bounce">Look at me!</span>
</div>	
<script>
	var vm = new Vue({
		
	})
</script>
</body>
</html>